Question:
A discrete random variable X takes the values 0, 1, 2, 3, 4 and its mean is 1.6. If P(X=1)=0.4, P(X=4)=P(X=2) and P(X=3)=2P(X=2), then P(X=0) is:
A discrete random variable X takes the values 0, 1, 2, 3, 4 and its mean is 1.6. If P(X=1)=0.4, P(X=4)=P(X=2) and P(X=3)=2P(X=2), then P(X=0) is:
Updated On: May 21, 2024
- 0.2
- 0.1
- 0.4
- 0.3
Hide Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
The correct option is (A):0.2
Was this answer helpful?
0
0
Top Questions on Probability Distribution
- A random variable \( X \) has the following probability distribution:
X 0 1 2 otherwise P(X) k 2k 3k 0 Then:
(A) \( k = \frac{1}{6} \)
(B) \( P(X < 2) = \frac{1}{2} \)
(C) \( E(X) = \frac{3}{4} \)
(D) \( P(1 < X \leq 2) = \frac{5}{6} \)
Choose the correct answer from the options given below:- CUET (UG) - 2024
- Mathematics
- Probability Distribution
- For the following probability distribution:
X 3 4 5 P(X) 0.5 0.2 0.3 The mean, variance, and standard deviation respectively are:- CUET (UG) - 2024
- Mathematics
- Probability Distribution
- A random variable \( X \) has the following probability distribution:
X 0 1 2 3 4 5 6 7 P(X) 0 m 2m 2m 3m m² 2m² 7m² + m The value of m is:- CUET (UG) - 2024
- Mathematics
- Probability Distribution
- A random variable X has the following probability distribution:
X 1 2 3 4 5 6 7 P(X) k 2k 2k 3k k2 2k2 7k2 + k
Match the options of List-I to List-II:List-I List-II (A) k (I) 7/10 (B) P(X < 3) (II) 53/100 (C) P(X ≥ 2) (III) 1/10 (D) P(2 < X ≤ 7) (IV) 3/10
Choose the correct answer from the options given below.- CUET (UG) - 2024
- Mathematics
- Probability Distribution
- If the random variable X has the following distribution:
X 0 1 2 otherwise P(X) k 2k 3k 0
Match List-I with List-II:
Choose the correct answer from the options given below:- CUET (UG) - 2024
- Mathematics
- Probability Distribution
View More Questions
Questions Asked in CUET exam
- Two resistances of 100 \(\Omega\) and 200 \(\Omega\) are connected in series across a 20 V battery as shown in the figure below. The reading in a 200 \(\Omega\) voltmeter connected across the 200 \(\Omega\) esistance is _______.
Fill in the blank with the correct answer from the options given below- CUET (UG) - 2024
- Current electricity
- Who devised the concept of Intelligence Quotient (IQ)?
- CUET (UG) - 2024
- Psychological attributes
- As per data collected in 2011, arrange the following Indian states in terms of child sex-ratio from lowest to highest:
(A) Punjab
(B) Haryana
(C) Tamil Nadu
(D) Sikkim
Choose the correct answer from the options given below:- CUET (UG) - 2024
- Social Inequality and Exclusion
- A molecule X associates in a given solvent as per the following equation:
X ⇌ (X)n
For a given concentration of X, the van’t Hoff factor was found to be 0.80 and the
fraction of associated molecules was 0.3. The correct value of ‘n’ is:- CUET (UG) - 2024
- Solutions
- If \(A = \begin{bmatrix} 3 & 2 \\ -1 & 1 \end{bmatrix} \quad \text{and} \quad B = \begin{bmatrix} -1 & 0 \\ 2 & 5 \\ 3 & 4 \end{bmatrix},\)then \((BA)^T\) is equal to:
- CUET (UG) - 2024
- Matrices
View More Questions